Table 9 Description of the nine asphaltene samples analyzed by FTIR spectroscopy.
From: Influence of inorganic scale formation on asphaltene behavior during water injection
Sample no | 1 | 2 | 3 |
|---|---|---|---|
Sample description | FTIR of asphaltene extracted from base crude oil | FTIR of oil in contact with Sr2+-based FW and SW (with scale) | FTIR of oil in contact with Sr2+-based FW and SW (without scale) |
Sample no | 4 | 5 | 6 |
|---|---|---|---|
Sample description | FTIR of oil in contact with Sr2+-based FW and 4 × Na2SO4 SW (with scale) | FTIR of oil in contact with Sr2+-based FW and 4 × Na2SO4 SW (without scale) | FTIR of oil in contact with Ba2+-based FW and SW (with scale) |
Sample no | 7 | 8 | 9 |
|---|---|---|---|
Sample description | FTIR of oil in contact with Ba2+-based FW and SW (without scale) | FTIR of oil in contact with Ba2+-based FW and 4 × Na2SO4 SW (with scale) | FTIR of oil in contact with Ba2+-based FW and 4 × Na2SO4 SW (without scale) |
